CVE-2020-35506

CVSS V2 Medium 4.6 CVSS V3 Medium 6.7
Description
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
Overview
  • CVE ID
  • CVE-2020-35506
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-28T11:15:07
  • Last Modified Date
  • 2022-08-31T19:22:32
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 6.0.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.7
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2021/04/16/3 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1909996 Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202208-27 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210713-0006/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/04/16/3 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-35506
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35506
History
Created Old Value New Value Data Type Notes
2022-05-10 07:07:28 Added to TrackCVE
2022-12-05 03:13:13 2021-05-28T11:15Z 2021-05-28T11:15:07 CVE Published Date updated
2022-12-05 03:13:13 2022-08-31T19:22:32 CVE Modified Date updated
2022-12-05 03:13:13 Analyzed Vulnerability Status updated
2022-12-05 03:13:17 References updated